effect of slag as a fine aggregate on mechanicaleffects of microsilica content on the
To Study On Effect Of High Performance Concrete With
Coarse aggregate is used with size between 20mm-10mm. 10Specific gravity of fine aggregate 2.64 and Specific Gravity of Course aggregate 2.68 and 7.08 < 8 Fineness Modulus of CA. Water Absorption 1.5 C. Alccofine - Alccofine is Specially processed product based on slag of high glass content with high reactivity obtained through the
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A Review on Performance Assessment of Concrete by Partly
slag lies between 3.4 and 4.1. The bulk density of copper slag varies between 1.9 to 2.15 Kgandm3 which is almost similar to the bulk density of conventional fine aggregate. Table -1 show physical properties of copper slag. The free moisture content present in slag was found to be less than 0.5 .
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CHARACTERISATION OF STEEL INDUSTRY SLAG SUITABILITY
FeCr slag fine aggregates (0-4 mm) was selected for characterisation. Approximately 40 wt of the studied FeCr slag (0-4 mm) aggregates are above 2 mm. For under 2 mm sieved fraction Dv (10) value is 411 μm and Dv (50) value is 1230 μm. Effect of microsilica addition _ Journal of Asian Ceramic Societies 2 (2014). 6. P.
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The effect of steel slag as a coarse aggregate and
The Development of concrete technology is continues to grow. The requisite for efficient constructions that are often viewed in terms of concrete mechanical behavior application on the field and cost estimation of implementation increasingly require engineers to optimize construction materials especially for concrete materials. Various types of concrete have now been developed according to
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Advance Construction MaterialMicro Silica In Concrete
The coarse aggregate used were mainly material retained on a 4.7mm BS 410 test sieve and contained only so much fine materials as was permitted for various sizes in the specification. 2.1.3 Water The water used for the study was free of acids organic matter suspended solids alkalis and impurities which when present may have adverse effect on
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silica fume advantages and disadvantagesSilica Fume for
What are the advantages and disadvantages of concrete mixercan mix the cement with aggregates easily. Disadvantages of silica fume in concrete What is slag cement.any advantages or disadvantages over opc So slag cement is environmentally friendly. There are very few major advantages or disadvantages to using slag cement.
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Malaysia Microsilica buying microsilica in big bags microsilica buyers in saudi arabia fumed material micro fine silica fume in Malaysia US 150 ElkemOfficial Site A leading company in environment-friendly production of solar grade silicon silicon silicon powder special alloys for the foundry industry carbon and microsilica.
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A Review on Performance Assessment of Concrete by Partly
slag lies between 3.4 and 4.1. The bulk density of copper slag varies between 1.9 to 2.15 Kgandm3 which is almost similar to the bulk density of conventional fine aggregate. Table -1 show physical properties of copper slag. The free moisture content present in slag was found to be less than 0.5 .
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A Study on Investigation of Micro Silica as Partial
Metakaolin Fly-ash Ground Granulated Blast Furnace Slag (GGBS) etc. In this work micro silica is used for partial Split tensile strength Concrete Microsilica Pozzolona Cement . 1. INTRODUCTION . Concrete structures are exposed to harsh environments and are IS 383 1970 Specification for Coarse and Fine Aggregates from Natural
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BENEFITS OF HIGH STRENGTH MICROSILICA CONCRETE IN
1.2 Effect of microsilica on the concrete mixture Well-dispersed microsilica particles which have packed around aggregate particles during concrete mixing and placing will modify the interfacial transition zone between the cementitious paste and the particles of aggregate. In
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EXPERIMENTAL STUDY ON MECHANICAL PROPERTIES OF
with partial replacement of cement with silica fume and fine aggregates with copper slag. 2. EXPERIMENTAL PROGRAMME The Experimental Program was designed to investigate the effect on the mechanical properties of the concrete by using copper slag as a partial replacement for fine aggregate with different proportions viz. 10 20 30 40 and 50
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The SiO2 content was 20 and 91 in OPC and MS respectively. Aggregates Table 2 shows grain size distribution and properties of the coarse and fine aggregates used. The coarse aggregates had a maximum aggregate size of 20 mm a water absorption of 4 and a specific gravity of 2.60. The fine aggregates had a water absorption of 6.6 and
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168 Effect of Particle Size on Compressive Strength of
Effect of Particle Size on Compressive Strength of Concrete with Ground obtained at 20 replacement for microsilica and 20 4 for combination of both microsilica and studies river sand is used as fine aggregate but in our investigations M-sand is used as fine aggregate.
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EFFECT OF MICRO-SILICA AND NANO-SILICA ON
was achieved at 8 microsilica and 2 nanosilica when we are using the mixture of both. Key words Concrete Microsilica Nanosilica Compressive strength Flexural strength curing experiments. Cite this Article Neeraj Kumar Bhagat and Jagdeep Singh Gahir Effect of Micro-Silica and Nano-Silica on Mechanical Properties of Concrete.
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Refractory admixture silica fumemicrosilica-fume
2. Add coarse aggregate 75 water micro silica 50 fine aggregate and stirred for 15-30 seconds then put cement additive 50 fine aggregate 25 water and stirred. Stirring time is 20-25 longer than that of ordinary cement or 50-60. Avoid
Get PriceEFFECT OF MICRO-SILICA AND NANO-SILICA ON
was achieved at 8 microsilica and 2 nanosilica when we are using the mixture of both. Key words Concrete Microsilica Nanosilica Compressive strength Flexural strength curing experiments. Cite this Article Neeraj Kumar Bhagat and Jagdeep Singh Gahir Effect of Micro-Silica and Nano-Silica on Mechanical Properties of Concrete.
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Refractory admixture silica fumemicrosilica-fume
2. Add coarse aggregate 75 water micro silica 50 fine aggregate and stirred for 15-30 seconds then put cement additive 50 fine aggregate 25 water and stirred. Stirring time is 20-25 longer than that of ordinary cement or 50-60. Avoid
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Control and Prevention of Cracking in Concrete Flatwork
Aggregate grading effects on mixture paste content Ideal combined grading Total Aggregate Gradation 0 5 10 15 20 25 30 • Limit cement content • Use fly ash and/or slag cement Fine particle content (microsilica etc.)
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168 Effect of Particle Size on Compressive Strength of
Effect of Particle Size on Compressive Strength of Concrete with Ground obtained at 20 replacement for microsilica and 20 4 for combination of both microsilica and studies river sand is used as fine aggregate but in our investigations M-sand is used as fine aggregate.
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Class HP3 (Fly Ash Microsilica) Aggregate Fine Aggregate #8 Coarse Aggregate Blended C em nt Content Fly Ash Micro-Silica Water to Cementitious Type (lb) (lb) (lb) (lb) (lb) Ratio Max Gravel 1355 1475 510 150 0 0.40 Limestone 1355 1490 510 150 0 0.40 Slag 1355 1295 510 150 0 0.40 Class HP4 (GGBF Slag Microsilica) Aggregate Fine Aggregate #8
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Improving Durability of Concrete to Phosphoric Acid Attack
This paper investigates the effect of microsilica water proofer and super plasticizer on the durability of concrete to phosphoric acid attack in addition to their sole and combined effects on workability air content modulus of elasticity durability to freezing thawing compressive strength and modulus of rupture after 28 days.
Get PriceA Study on Investigation of Micro Silica as Partial
Metakaolin Fly-ash Ground Granulated Blast Furnace Slag (GGBS) etc. In this work micro silica is used for partial Split tensile strength Concrete Microsilica Pozzolona Cement . 1. INTRODUCTION . Concrete structures are exposed to harsh environments and are IS 383 1970 Specification for Coarse and Fine Aggregates from Natural
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4 Pumpable concrete Concrete pumping and spraying
As the fine solids content is 5-0 the amount of fine aggregate is 5-0 x 880 x 3100/2650 = 51 kg. Therefore the total fine solids content is 310 51 kg = 361 kg. This is within the limits (Table 7) of fine solids for 1901 of water. Fig. 66 shows the effect of slag on the temperature rise due to heat of hydration. if the microsilica
Get PriceFly Ash Slag Silica Fume and Natural Pozzolans Chapter 3
Ground slags have variable effects on the required dosage rate of air-entrain- ing admixtures. Silica fume has a marked influence on the air-entraining admixture requirement which in most cases rapidly increases with an increase in the amount of silica fume used in the concrete.
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aggregates details of which are included in Table 1. High alumina cement CA-270 (Almatis India) is introduced as a hydraulic binder and microsilica (Shiva Minerals Pvt. Ltd. Rourkela) as additives. Fig. 1 shows how ferrochrome slag is used in different particle fractions. The specific gravity of this slag is 2.57g/cm3. Aggre-gate
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(PDF) Effects of Microsilica Content on Microstructure and
Effects of microsilica content on the porosity strength and slag resistance of lightweight castables were investigated through the mercury porosimetry measurement XRD SEM EDAX and so on.
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Colour variationConcrete
The incorporation of additions such as fly ash ground granulated blastfurnce slag (ggbs) and microsilica will also be a major influence. Fine aggregate is a natural material and varies in colour depending on the source. Particles greater than 500µm are not visible on as-struck concrete unless a
Get PriceEffect of Copper Slag As A Fine Aggregate on Properties of
Copper slag as a substitute for conventional fine aggregate with partial or full replacement using M25 grade concrete The main objective is to encourage the use of these seemingly waste products as a construction material. In this paper the effect of using copper slag as a fine aggregate
Get PriceBENEFITS OF HIGH STRENGTH MICROSILICA CONCRETE IN
1.2 Effect of microsilica on the concrete mixture Well-dispersed microsilica particles which have packed around aggregate particles during concrete mixing and placing will modify the interfacial transition zone between the cementitious paste and the particles of aggregate. In
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